32420423221015 has 32 divisors (see below), whose sum is σ = 41546311188480. Its totient is φ = 24230135005824.

The previous prime is 32420423221009. The next prime is 32420423221033. The reversal of 32420423221015 is 51012232402423.

It is a happy number.

It is not a de Polignac number, because 32420423221015 - 2¹⁵ = 32420423188247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3672204 + ... + 8850193.

It is an arithmetic number, because the mean of its divisors is an integer number (1298322224640).

Almost surely, 2^{32420423221015} is an apocalyptic number.

32420423221015 is a deficient number, since it is larger than the sum of its proper divisors (9125887967465).

32420423221015 is a wasteful number, since it uses less digits than its factorization.

32420423221015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12522951.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 32420423221015 its reverse (51012232402423), we get a palindrome (83432655623438).

The spelling of 32420423221015 in words is "thirty-two trillion, four hundred twenty billion, four hundred twenty-three million, two hundred twenty-one thousand, fifteen".